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#detect #escaping #json #quote

use-json

Lightweight JSON inspection and formatting helpers for RustUse

1 unstable release

Uses new Rust 2024

new 0.1.0 May 15, 2026

#1630 in Encoding


Used in use-data

MIT/Apache

10KB
197 lines

use-json

Practical JSON utility primitives for lightweight inspection, detection, quoting, and formatting.

Warning: versions below 0.3.0 are experimental and may change as the crate matures.

Example Usage

use use_json::{JsonKind, compact_json_basic, detect_json_kind, quote_json_string};

let compact = compact_json_basic("{ \"ok\": true, \"name\": \"RustUse\" }");
let quoted = quote_json_string("line\nbreak");

assert_eq!(compact, "{\"ok\":true,\"name\":\"RustUse\"}");
assert_eq!(quoted, "\"line\\nbreak\"");
assert_eq!(detect_json_kind("[1, 2, 3]"), JsonKind::Array);

Scope

  • small JSON shape and primitive detection helpers
  • conservative quoting and escaping helpers for strings
  • whitespace compaction that preserves content inside JSON strings

Non-Goals

  • a full JSON parser
  • JSONPath support
  • schema validation
  • a replacement for serde_json

License

Licensed under either of the following, at your option:

  • MIT License
  • Apache License, Version 2.0

No runtime deps